B
A
70 dB
B
A
70 dB
B
A
70 dB
B
A
70 dB
B
A
70 dB
B
A
70 dB
B
A
70 dB
B
A
70 dB
B
A
70 dB
B
A
70 dB
B
A
70 dB
B
A
70 dB
D
E
72 dB
D
E
72 dB